#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<string.h>
#include<windows.h>//**********************************结构体*************************************
struct score
{char class_num[10];char person_num[10];char name[15];char sex;int  num;
}stu;//******************************输出*******************************************
void print1()                                               //输出科目函数
{
printf("班级      学号      姓名              性别      分数\n");
}//*****************************菜单********************************************
int menu()                                                  //菜单函数
{char i;printf("\n\n\n\n");puts("\t\t**********************主菜单******************\t\n");puts("\t\t\t\t1.学生信息输入                               \n");puts("\t\t\t\t2.学生信息浏览                               \n");puts("\t\t\t\t3.学生信息检索                               \n");puts("\t\t\t\t4.学生信息修改                               \n");puts("\t\t\t\t5.学生信息删除                               \n");puts("\t\t\t\t6. 退 出 系 统                               \n");puts("\t\t**********************************************\t\n");printf("\t\t\t  请选择（1-6）:[ ]\b\b");i=getchar();system("cls");return i;
}//**********************输入函数*******************************************
void Enter()
{FILE *fp;char ch;if((fp=fopen("f:\\zimou.txt","a+"))==NULL){printf("\nCannot open file!\n");getch();exit(1);}do{printf("请输入班级:");scanf("%s",stu.class_num);getchar();printf("\n");printf("请输入学号:");gets(stu.person_num);printf("\n");printf("请输入姓名:");gets(stu.name);printf("\n");printf("性      别(m/f):");scanf("%c",&stu.sex);getchar();printf("\n");printf("分      数:");scanf("%d",&stu.num);getchar();printf("\n");fwrite(&stu,sizeof(stu),1,fp);printf("继续(y/n)?[ ]\b\b");ch=getchar();  getchar();}while(ch=='y'||ch=='Y');fclose(fp);system("cls");
}//*****************浏览函数**********************************************
void Browse()
{FILE *fp;
int total=0;
if((fp=fopen("f:\\zimou.txt","a+"))==NULL)
{printf("\tCan not open the inform file!");getch();exit(1);
}
while(fread(&stu,sizeof(stu),1,fp)==1)
{total++;if(total==1)print1();printf("%-10s%-10s%-20s",stu.class_num,stu.person_num,stu.name);printf("%-8c",stu.sex);printf("%-4d   ",stu.num);printf("\n");
}
fclose(fp);
printf("\n\n\t共有 %d 条记录!\n",total);
printf("\tpress any key to continue!");
getchar();
getchar();
system("cls");}//*******************查询函数*********************************************
void Query()
{FILE * fp;char num1[10];char ch;
if((fp=fopen("f:\\zimou.txt","a+"))==NULL)
{printf("\tCan not open the inform file!");getch();exit(1);
}
do
{getchar();rewind(fp);printf("\n请输入学号查询:");gets(num1);while(fread(&stu,sizeof(stu),1,fp)==1)if(strcmp(num1,stu.person_num)==0){print1();printf("%-10s%-10s%-20s",stu.class_num,stu.person_num,stu.name);printf("%-8c",stu.sex);printf("%-4d   ",stu.num);printf("\n");break;}puts("\n");printf("继续查询？(Y/N):[ ]\b\b");ch=getchar();
}while(ch=='Y'||ch=='y');
fclose(fp);
system("cls");
}//**********************学生成绩修改函数***********************************void Recopose()
{FILE * fp1,* fp2;char num1[10];char ch;getchar();do{if((fp1=fopen("f:\\zimou.txt","a+"))==NULL){printf("\tCan not open the infom file!");getch();exit(1);}if((fp2=fopen("f:\\ziye.txt","a+"))==NULL){printf("\tCan not creat the temp file!");getch();exit(1);}printf("请输入想要修改的学号:");gets(num1);
while(fread(&stu, sizeof(stu),1,fp1)==1)
{if(strcmp(num1,stu.person_num)==0){print1();printf("%-10s%-10s%-20s",stu.class_num,stu.person_num,stu.name);printf("%-8c",stu.sex);printf("%-4d   ",stu.num);printf("\n");printf("\n\nPlease input the new information:\n");printf("\t班级代号:");gets(stu.class_num);printf("\t学生学号:");gets(stu.person_num);printf("\t学生姓名:"); gets(stu.name);printf("\t学生性别:");gets(&stu.sex);printf("\t学生成绩:");scanf("%d",&stu.num); getchar();}fwrite(&stu,sizeof(stu),1,fp2);}fclose(fp1);fclose(fp2);printf("修改成功!\n");remove("f:\\zimou.txt");rename("f:\\ziye.txt","f:\\zimou.txt");printf("继续修改？(Y/N):[ ]\b\b");ch=getchar(); getchar();
}while(ch=='Y'||ch=='y');system("cls");
}//*********************删除函数******************************************
void Delete()
{FILE * fp1,* fp2;int flag;char num1[10];char ch;getchar();do{if((fp1=fopen("f:\\zimou.txt","a+"))==NULL){printf("\tCan not open the inform file!");getch();exit(1);}if((fp2=fopen("f:\\ziye.txt","a+"))==NULL){printf("\tCan not creat the temp file!");getch();exit(1);}printf("请输入你要删除的学生的学号:");gets(num1);flag=0;while(fread(&stu,sizeof(stu),1,fp1)==1){if(strcmp(num1,stu.person_num)==0){print1();printf("%-10s%-10s%-20s",stu.class_num,stu.person_num,stu.name);printf("%-8c",stu.sex);printf("%-4d   ",stu.num);printf("\n");flag=1;}elsefwrite(&stu,sizeof(stu),1,fp2);}fclose(fp1);fclose(fp2);if(flag==1){remove("f:\\zimou.txt");rename("f:\\ziye.txt","f:\\zimou.txt");}elseprintf("Can not find this record!\n");printf("继续删除?(Y/N):[ ]\b\b");ch=getchar(); getchar();}while(ch=='Y'||ch=='y');system("cls");
}//***********************************退出**************************************
void Exit()
{puts("\n\t\t\t\t感谢使用本系统！！\n\n\t\t\t\t有任何问题请联系：1005483758@qq.com \n");exit(0);
}//******************欢迎界面********************************** 
void Welcome()
{printf("\n\n");printf("  \t┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n");printf("  \t┃**********************************************************┃\n");printf("  \t┃***┏━━━━━━━━━━━━━━━━━━━━━━━━┓***┃\n");printf("  \t┃***┃************************************************┃***┃\n");printf("  \t┃***┃***                                         ****┃***┃\n");printf("  \t┃***┃***        欢迎使用学生成绩管理系统         ****┃***┃\n");printf("  \t┃***┃***                                         ****┃***┃\n");printf("  \t┃***┃***                                         ****┃***┃\n");printf("  \t┃***┃***                    制作人：XXY          ****┃***┃\n");printf("  \t┃***┃***                                         ****┃***┃\n");printf("  \t┃***┃***                        2013.6.20        ****┃***┃\n");printf("  \t┃***┃***                                         ****┃***┃\n");printf("  \t┃***┃************************************************┃***┃\n");printf("  \t┃***┗━━━━━━━━━━━━━━━━━━━━━━━━┛***┃\n");printf("  \t┃**********************************************************┃\n");printf("  \t┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n");puts("  \n\t                        ① 管理员登陆!                         \n");puts("  \n\t                        ② 游客  登陆!                         \n");printf("\n请选择登陆（1 or 2）:[ ]\b\b");  / /左移一位“\b ” 
}//*****************************主函数****************************************
int main()
{ int i,k=0;char username[15],pwd[7],c;system("color 5e");//颜色Welcome(); c=getchar();getchar();if (c=='1'){system("cls");//跳转页面。 puts("\n\n\n\n\n\n\n\t\t\t\t管 理 员 登 陆！\n\n\n\n\n\t\t\t\t   请 登 陆!"); getchar();for(i=0;i<3;i++){printf("\n请输入用户名:");gets(username);printf("\n请输入6位密码:");gets(pwd);//判断条件 if((strcmp(username,"xiaxianyun")==0)&&(strcmp(pwd,"123456")==0)){printf("\n您已经成功登录\n");k=1;for(i=0;i<20;i++){printf(".");Sleep(100);}system("cls");while(1)switch(menu()){case '1':Enter();break;case '2':Browse();break;case '3':Query();break;case '4':Recopose();break;case '5':Delete();break;case '6':Exit();break;}break;}elseprintf("\n用户名或密码无效 请重新输入:\n");continue;}if(k==0)printf("\n连续输入错误3次 将退出程序\n");Sleep(2000);exit(1);}else if(c=='2')//游客登录 {system("cls");//跳转页面。 puts("\n\n\n\n\n\n\n\t\t\t\t欢 迎 游 客 进 入！\n\n\n\n\n\t\t\t\t   请 确 定!"); getchar();system("cls");while(1)switch(menu()){case '1':Enter();break;case '2':Browse();break;case '3':Query();break;case '4':system("cls");getchar();puts("\n\n\t\t对不起你没有权限修改！\n\n");printf("\t\tpress any key to continue!");getchar();system("cls");break;case '5':system("cls");getchar();puts("\n\n\t\t对不起你没有权限删除！\n\n");printf("\t\tpress any key to continue!");getchar();system("cls");break;case '6':Exit();break;	}} 	   return 0;
}